staging: most: usb: don't use error path to exit function on success

This patch makes it transparent whether the function is exiting
with an error or successful.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/1590570387-27069-7-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/most/usb/usb.c b/drivers/staging/most/usb/usb.c
index 534825f..03318de 100644 (file)
--- a/drivers/staging/most/usb/usb.c
+++ b/drivers/staging/most/usb/usb.c
@@ -519,13 +519,13 @@ static int hdm_enqueue(struct most_interface *iface, int channel,
                        "URB submit failed with error %d.\n", retval);
                goto err_unanchor_urb;
        }
-       goto unlock_io_mutex;
+       mutex_unlock(&mdev->io_mutex);
+       return 0;
 
 err_unanchor_urb:
        usb_unanchor_urb(urb);
 err_free_urb:
        usb_free_urb(urb);
-unlock_io_mutex:
        mutex_unlock(&mdev->io_mutex);
        return retval;
 }